.grd1 {
	background:white;	/* default */
	background:white;	/* Firefox */
	background:white;	/* iPhone, Android */
}

.grd2 {
	background:white;	/* default */
	background:white;	/* Firefox */
	background:white;	/* iPhone, Android */
}

.grd3 {
	background:whitesmoke;
	background:-moz-linear-gradient(top, white, antiquewhite);
	background:-webkit-gradient(linear, left top, left bottom, from(white), to(antiquewhite));
}

.grd4 {
	background:whitesmoke;
	background:-moz-linear-gradient(top, antiquewhite, antiquewhite 45%, antiquewhite 50%, antiquewhite);
	background:-webkit-gradient(linear, left top, left bottom, from(antiquewhite), color-stop(0.45, antiquewhite), color-stop(0.5, antiquewhite), to(white));
}